# Parameters

Property in [FunctionType](https://docs.yarnspinner.dev/3.1/api/csharp/yarn/yarn.functiontype)

## Summary

Gets the list of the parameter types that this function is called with.

```csharp
public List<IType> Parameters { get; }
```

## Remarks

The length of this list also determines the number of parameters this function accepts (also known as the function's *arity* ).